OpenTechnical

OT-2026-000035417

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000035417) never changes.

Identity and time

Publication numberOT-2026-000035417 · never reused
Internal UUID01a0ae76-6a20-793d-a5e9-aedbb0d0e17b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035417
StatusPUBLIC

Content hashes

Canonical textf8576355ddc2af7984473afe1c80a3f5591bb657dc77b89927d8db2852c888ee
Markdownc68961ec889c30031253f278954dbfac24acb9dc00f5278c7e696c4f797a64af
PDF
Publication pagede764f2b4707fb1123cfa42b0fbcda42d6aefb1fdd5d7d78a4803f03aaae3273
Manifestefd7ddf8ae245d396cfdcac72cf5f67b747d5b5c3a28bbf30978d0ef64915751

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturepQjnK044ag6SVrco7e3P6n9J02bUToBy0o6LfW0hPOuxRgE757CAVrsdA+TQTx8MMwOCIMgtfryAQcUFK36NCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:28:43.501109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035417
observed de764f2b4707fb1123cfa42b0fbcda42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:43.484674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035417/manifest.json
observed efd7ddf8ae245d396cfdcac72cf5f67b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:43.468150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035417/publication.md
observed c68961ec889c30031253f278954dbfac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:43.450850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035417/publication.txt
observed f8576355ddc2af7984473afe1c80a3f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.